Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.798197E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T18:26:28+0800
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    1 Object 1

    AOE ID 21453
    NORAD ID 21453
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63175
    NORAD ID 63175
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-89
    Time of Closest Approach 2026-10-21T06:55:35+0000
    Collision Probability (Pc) 1.798197E-6
    Conjunction Distance (km) 2.434 km
    Relative Speed (km/s) 14.176 km/s
    Conjunction Risk Parameters R (Radial): 0.746 | I (In-track): -0.578 | C (Cross-track): 2.243
    Collision Risk Index (CRI) 0.4
    X Position (km) 826.874 829.258
    Position Y (km) -2196.043 -2196.143
    Position Z (km) 7065.903 7066.378
    Velocity X (km/s) -1.691 -2.053
    Velocity Y (km/s) -6.882 6.628
    Velocity Z (km/s) -1.973 2.306

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-89
    Semimajor Axis (a) 7536.290 km 7446.630 km
    Eccentricity (e) 0.012038 0.001500
    Inclination (i) 99.8824° 88.9624°
    RAAN 77.6173° 287.7005°
    Perigee Argument 131.4686° 311.3268°
    Mean Anomaly (M) 23.8750° 48.6591°
    Apogee 1248.878 km 1079.665 km
    Perigee 1067.428 km 1057.321 km
    Orbit Epoch 2026-10-19T20:47:37+0000 2026-10-19T22:34:42+0000

    DELTA 1 DEB & QIANFAN-89 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-89 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-89 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-89 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-89Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-89Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data